JPS5972397A - 多重インサ−トカツタビツト - Google Patents
多重インサ−トカツタビツトInfo
- Publication number
- JPS5972397A JPS5972397A JP17062883A JP17062883A JPS5972397A JP S5972397 A JPS5972397 A JP S5972397A JP 17062883 A JP17062883 A JP 17062883A JP 17062883 A JP17062883 A JP 17062883A JP S5972397 A JPS5972397 A JP S5972397A
- Authority
- JP
- Japan
- Prior art keywords
- insert
- cutter
- cutting edge
- wear
- bit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Earth Drilling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US42431182A | 1982-09-17 | 1982-09-17 | |
US424311 | 1982-09-17 | ||
US524350 | 1983-08-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5972397A true JPS5972397A (ja) | 1984-04-24 |
JPS6160235B2 JPS6160235B2 (xx) | 1986-12-19 |
Family
ID=23682180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17062883A Granted JPS5972397A (ja) | 1982-09-17 | 1983-09-17 | 多重インサ−トカツタビツト |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5972397A (xx) |
CA (1) | CA1242463A (xx) |
IN (1) | IN160174B (xx) |
MX (1) | MX157916A (xx) |
ZA (1) | ZA836826B (xx) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6140989A (ja) * | 1984-07-19 | 1986-02-27 | エヌエル、ペトロリアム、プロダクツ、リミテツド | ロータリードリルビツト |
JPH01164386U (xx) * | 1988-05-10 | 1989-11-16 | ||
JPH02125008U (xx) * | 1989-03-22 | 1990-10-15 | ||
JPH0446185U (xx) * | 1990-08-22 | 1992-04-20 | ||
JP2002242592A (ja) * | 2001-02-20 | 2002-08-28 | Toshiba Tungaloy Co Ltd | シールド掘削機用ビット |
-
1983
- 1983-09-05 IN IN605/DEL/83A patent/IN160174B/en unknown
- 1983-09-12 MX MX19868283A patent/MX157916A/es unknown
- 1983-09-14 ZA ZA836826A patent/ZA836826B/xx unknown
- 1983-09-16 CA CA000436921A patent/CA1242463A/en not_active Expired
- 1983-09-17 JP JP17062883A patent/JPS5972397A/ja active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6140989A (ja) * | 1984-07-19 | 1986-02-27 | エヌエル、ペトロリアム、プロダクツ、リミテツド | ロータリードリルビツト |
JPH01164386U (xx) * | 1988-05-10 | 1989-11-16 | ||
JPH02125008U (xx) * | 1989-03-22 | 1990-10-15 | ||
JPH0446185U (xx) * | 1990-08-22 | 1992-04-20 | ||
JP2002242592A (ja) * | 2001-02-20 | 2002-08-28 | Toshiba Tungaloy Co Ltd | シールド掘削機用ビット |
JP4622117B2 (ja) * | 2001-02-20 | 2011-02-02 | 株式会社タンガロイ | シールド掘削機用ビット |
Also Published As
Publication number | Publication date |
---|---|
IN160174B (xx) | 1987-06-27 |
CA1242463A (en) | 1988-09-27 |
JPS6160235B2 (xx) | 1986-12-19 |
ZA836826B (en) | 1984-10-31 |
MX157916A (es) | 1988-12-19 |
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